The average monthly expenditure of a family was Rs.18,600 during the first three months, Rs.21,750 during the next six months, and Rs.22,840 during the last three months of the year. If the total savings during the year was Rs.1,42,020, then the average monthly income (in Rs.) of the family was:
Watch SolutionPlaces A and B are 396 km apart. Train X leaves from A for B and train Y leaves from B for A at the same time on the same day on parallel tracks. Both trains meet after \(5\frac{1}{2}\) hours. The speed of train Y is 10 km/h more than that of train X. What is the speed (in km/h) of train Y?
Watch SolutionA train is running at a speed of 99 km/h. If the train is 565 m long, then what will be the time (in seconds) taken by it to cross a 975 m long tunnel?
Watch SolutionA certain loan was returned in two equal half-yearly installments each of ₹6,760. If the interest rate was 8% p.a., compounded annually, how much was the interest paid on the loan?
Watch SolutionA vertical pole and a vertical tower are standing on the same level ground. Height of the pole is 10 metres. From the top of the pole the angle of elevation of the top of the tower and angle of depression of the foot of the tower are 60° and 30° respectively. The height of the tower is
Watch Solution